Add 35/90 and 84/4
1st number: 35/90, 2nd number: 21 0/4
35/90 + 84/4 is 385/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
35/90 = 35 × 2/90 × 2 = 70/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
84/4 = 84 × 45/4 × 45 = 3780/180 - Add the two like fractions:
70/180 + 3780/180 = 70 + 3780/180 = 3850/180 - 3850/180 simplified gives 385/18
- So, 35/90 + 84/4 = 385/18
In mixed form: 217/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90+84/4 35/90+84/8 35/90+84/12 35/90+84/20 35/90+84/28